How to switch filters (large and small)
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How to switch filters (large and small)
General procedure: First open the outlet of the backup filter, then open the inlet； First close the inlet of the filter in use, then close the outlet.
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It’s similar to switching to a centrifugal pump, with the addition of a filter element
Your filter is too simple; filters for gasoline or diesel, or for lubricants and control oils in large machinery, are not that simple.
It is similar to switching centrifugal pumps: for large units, the filters for lubricating oil and control oil must first be filled with oil and have their air removed before the switch-over can take place.